Planned lessonJNR-010-L02

Component scanning and stereotypes

On This Lesson 4 topics

This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.

In this lesson

say how beans are found and which stereotype to use.

@SpringBootApplication includes component scanning of its own package and sub-packages.
Stereotypes: @Component generic, @Service business logic, @Repository data access, @Controller/@RestController web.
They all create beans; the names add meaning and some extra behavior (@Repository translates database exceptions).
A class outside the scanned packages is not found.

Draft outline details

com.shop.api.ShopApiApplication scans com.shop.api.**; a class in com.shop.other is missed.

Where must the main class live?

Show answer

In the top package above all your code.

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